diff --git a/.travis.yml b/.travis.yml
index 8cb0286298..c13f0a5a32 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,10 +2,6 @@ language: php
 
 sudo: false
 
-cache:
-  directories:
-    - $HOME/.composer/cache
-
 addons:
   apt_packages:
     - parallel
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 4def05128a..123d5aa755 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -27,7 +27,7 @@ If you'd like to contribute, please read the following documents:
 
 * [Backwards Compatibility][4]: Backward compatibility rules.
 
-[1]: http://symfony.com/doc/current/contributing/code/index.html
-[2]: http://symfony.com/doc/current/contributing/code/patches.html#check-list
-[3]: http://symfony.com/doc/current/contributing/code/patches.html#make-a-pull-request
-[4]: http://symfony.com/doc/current/contributing/code/bc.html#working-on-symfony-code
+[1]: https://symfony.com/doc/current/contributing/code/index.html
+[2]: https://symfony.com/doc/current/contributing/code/patches.html#check-list
+[3]: https://symfony.com/doc/current/contributing/code/patches.html#make-a-pull-request
+[4]: https://symfony.com/doc/current/contributing/code/bc.html#working-on-symfony-code
diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 07d6f46bbb..3a0525ba46 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -2,7 +2,7 @@ CONTRIBUTORS
 ============
 
 Symfony is the result of the work of many people who made the code better
-(see http://symfony.com/contributors for more information):
+(see https://symfony.com/contributors for more information):
 
  - Fabien Potencier (fabpot)
  - Bernhard Schussek (bschussek)
diff --git a/composer.json b/composer.json
index 265ab02ef4..5f5fc25255 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "type": "library",
     "description": "The Symfony PHP framework",
     "keywords": ["framework"],
-    "homepage": "http://symfony.com",
+    "homepage": "https://symfony.com",
     "license": "MIT",
     "authors": [
         {
@@ -12,7 +12,7 @@
         },
         {
             "name": "Symfony Community",
-            "homepage": "http://symfony.com/contributors"
+            "homepage": "https://symfony.com/contributors"
         }
     ],
     "require": {